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It is the final type of problems which we'll be looking at in this section. We are going to be looking at mixing solutions of distinct percentages to obtain a new percentage. The solution will contain a secondary liquid mixed with water. The secondary liquid may be alcohol or acid for instance.
The standard equation which we'll employ here will be the following.
Notice as well that the percentage have to be a decimal. Thus if we have an 80% solution we will have to use 0.80.
Shirley has 8 fewer pairs of earrings than bracelets. She has 15 bracelets. How many pairs of earrings does she have?
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This section doesn't actually have many to do with the rest of this chapter, but since the subject required to be covered and it was a fairly short chapter it appeared like as good
75 band members need to raise a total of 8250.00 for a trip. So far they have raised 3120.00. How much money, in dollars, per band member, still needs to be raised for the trip
(b+a)+[-(a+0+b)]=0
A team needs to save up $400 for new uniforms and currently has $190. They decide to hold a fundraiser where they can earn a $7 profit for each item sold. What equation could be s
An office contains two envelope stuffing machines. Machine A can stuff a batch of envelopes within 5 hours, whereas Machine B can stuff batch of envelopes within 3 hours. How much
M-(-14)=-7
the table shows the number of minutes of excirccise for each person compare and contrast the measures of variation for both weeks
5x=25
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